[INFO] fetching crate fscommon 0.1.1...
[INFO] testing fscommon-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fscommon 0.1.1 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate fscommon 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fscommon 0.1.1
[INFO] finished tweaking crates.io crate fscommon 0.1.1
[INFO] tweaked toml for crates.io crate fscommon 0.1.1 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0023e10074db7afcf60677a6ec75a66a5c0edbcb0fc37b773142d549c1492497
[INFO] running `Command { std: "docker" "start" "-a" "0023e10074db7afcf60677a6ec75a66a5c0edbcb0fc37b773142d549c1492497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0023e10074db7afcf60677a6ec75a66a5c0edbcb0fc37b773142d549c1492497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0023e10074db7afcf60677a6ec75a66a5c0edbcb0fc37b773142d549c1492497", kill_on_drop: false }`
[INFO] [stdout] 0023e10074db7afcf60677a6ec75a66a5c0edbcb0fc37b773142d549c1492497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d77c73644e6c0443b91b8399aceb8ff5749bdb042e074f430de6f1df8648957
[INFO] running `Command { std: "docker" "start" "-a" "3d77c73644e6c0443b91b8399aceb8ff5749bdb042e074f430de6f1df8648957", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fscommon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "3d77c73644e6c0443b91b8399aceb8ff5749bdb042e074f430de6f1df8648957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d77c73644e6c0443b91b8399aceb8ff5749bdb042e074f430de6f1df8648957", kill_on_drop: false }`
[INFO] [stdout] 3d77c73644e6c0443b91b8399aceb8ff5749bdb042e074f430de6f1df8648957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfff66d68dcf3f6434b90978e3787c7efafaa0a5fba1ee0a8b6235735a12ea5
[INFO] running `Command { std: "docker" "start" "-a" "7bfff66d68dcf3f6434b90978e3787c7efafaa0a5fba1ee0a8b6235735a12ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling fscommon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "7bfff66d68dcf3f6434b90978e3787c7efafaa0a5fba1ee0a8b6235735a12ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfff66d68dcf3f6434b90978e3787c7efafaa0a5fba1ee0a8b6235735a12ea5", kill_on_drop: false }`
[INFO] [stdout] 7bfff66d68dcf3f6434b90978e3787c7efafaa0a5fba1ee0a8b6235735a12ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2490619245ce1de654e0bfdfb50e10aa3e4bfc81daffc4b27f382525fa5bf4ff
[INFO] running `Command { std: "docker" "start" "-a" "2490619245ce1de654e0bfdfb50e10aa3e4bfc81daffc4b27f382525fa5bf4ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fscommon-8dc01217e46052b9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test buf_stream::tests::it_works ... ok
[INFO] [stdout] test stream_slice::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fscommon
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2490619245ce1de654e0bfdfb50e10aa3e4bfc81daffc4b27f382525fa5bf4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2490619245ce1de654e0bfdfb50e10aa3e4bfc81daffc4b27f382525fa5bf4ff", kill_on_drop: false }`
[INFO] [stdout] 2490619245ce1de654e0bfdfb50e10aa3e4bfc81daffc4b27f382525fa5bf4ff